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makvit [3.9K]
3 years ago
12

Nia is editing a row in an Access table. The row contains the Pencil icon on the left end of the record

Computers and Technology
2 answers:
insens350 [35]3 years ago
5 0

Answer:

The answer is D

Explanation:

That little pencil reminds you that you are entering or editing the current record, and that the changes you are making are not yet saved. The little pencil disappears as soon as you move off the current record. Take that as confirmation that Access has saved your new record, or the changes you made to an existing one.

lilavasa [31]3 years ago
5 0

Answer:

D. Nia is editing the record currently.

Explanation:

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Which one of the following is a correct declaration for a method named passAList that has as arguments an array list myList of s
alekssr [168]

Answer:

"public static void passAList(ArrayList<Integer> myList, int[] intArr)", is the correct answer for the above question.

Explanation:

Missing information :

  • The option is missing but the question states "choose from the following". The correct defining syntax is defined above.

Detailed Explantion :

  • The above question asked about syntax which takes the value of list and array as an argument.
  • It is already defined in the above syntax.
  • And the value is passed by the user at the time of function call.
  • The array list is defined by the help of the ArrayList class and the array is defined by the help of the "[]" symbol.

3 0
3 years ago
printLarger is a method that accepts two int arguments and returns no value. Two int variables, sales1 and sales2, have already
gizmo_the_mogwai [7]

Answer:

<em>public static void printLarger(double sales1, double sales2){</em>

<em>        if (sales1>sales2){</em>

<em>            System.out.println(sales1+" is larger");</em>

<em>        }</em>

<em>        else {</em>

<em>            System.out.println(sales2+" is larger");</em>

<em>        }</em>

<em>    }</em>

<em>A complete code calling the printLarger method is given below</em>

Explanation:

<em>public class Larger{</em>

<em>    public static void main(String[] args) {</em>

<em>        int sales1 = 100;</em>

<em>        int sales2 = 120;</em>

<em>        printLarger(sales1,sales2);</em>

<em>    }</em>

<em>public static void printLarger(int sales1, int sales2){</em>

<em>        if (sales1>sales2){</em>

<em>            System.out.println(sales1+" is larger");</em>

<em>        }</em>

<em>        else {</em>

<em>            System.out.println(sales2+" is larger");</em>

<em>        }</em>

<em>    }</em>

}

6 0
3 years ago
What is the output of the following program?
Kamila [148]

Answer:

0

3

6

Explanation:

7 0
2 years ago
Consider the following general code for allowing access to a resource:
Margaret [11]

Answer:

a) The code allows access even when  IsAccessAllowed(...) method fails.

b) Either use If

(dwRet = ACCESS_ALLOWED)

or use

if (dwRet == NO_ERROR)

to avoid flaw

Explanation:

Lets first see what the code chunk does:

DWORD dwRet = IsAccessAllowed(...);

if (dwRet == ERROR_ACCESS_DENIED) {

// Security check failed.

// Inform user that access is denied.

} else {

// Security check OK.

}

In the given code, DWORD is basically a data type for double word type integers and this is defined in windows.h

So there is DWORD type variable dwRet that is assigned a method calls.

The method is IsAccessAllowed() which checks if the access is allowed to user.

if (dwRet == ERROR_ACCESS_DENIED) condition basically checks if the value of DWORD type variable dwRet is equal to ERROR_ACCESS_DENIED

If this condition evaluates to true then the security checks fails and user is informed via some message or action that the access is denied.  But when the if condition evaluates to false then the else part executes which allows access.

So basically this chunk of code checks if the error ERROR_ACCESS_DENIED is returned.

Now the flaw in this program is what if the method IsAccessAllowed() by any reason. The reasons can be system failure or the memory failure. In memory failure case for example, the system returns out of memory error. So this means that the error is not  ERROR_ACCESS_DENIED. Instead it is out of memory error. So in such a case the user is allowed access as the if condition evaluates to false and else part executes. So if any other error is produced due to some reason like mentioned above, then user has unrestricted access.

This shows that the doe should not check for the failure or rely on checking ERROR_ACCESS_DENIED to allow access but instead it should check for success. Code should only give access privilege if access is allowed successfully or no error is produced.

So to avoid this flaw the code is altered as:

DWORD dwRet = IsAccessAllowed(...);

If (dwRet = ACCESS_ALLOWED) {

//Security check OK.

} else {

//Security check failed.

//Inform user that access is denied.

}

This will only allow access if ACCESS_ALLOWED evaluates to true and success is checked instead of failure here

You can also alter the if condition as:

If (dwRet = No_Error)

or

If (dwRet = 0)

The above if conditions checks if the access is allowed or if no error is produced. Only then it will allowed access otherwise not. So the access check is a success is checked first and failure (for any reason). The user is allowed access only if there is no error otherwise user is not allowed access.

6 0
3 years ago
Which of the following things would you access from the Program &amp; Courses page? Course descriptions Tutorial videos Account
Paraphin [41]

Course descriptions.

5 0
3 years ago
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